Page "Operation Green (Ireland)" Paragraph 23

There was no involvement or prior knowledge of Green by the IRA in Ireland.

It is likely, however, that the possibility of such planning was on the mind of Sean Russell and his acting Chief of Staff Stephen Hayes.

Russell is known to have reached out to the German Foreign Ministry and Abwehr during his time in Berlin, and Hayes is known to have sanctioned Plan Kathleen before it was delivered to the Abwehr in Berlin in August 1940.

However, no operational instructions were issued to Abwehr agents to gather data on Ireland in preparation for Green.

This is possibly because the planners felt they had enough militarily useful data already, but likely because Green, although thorough, was created in a hurry.

Later editions contained no data from the IRA, instead only adding from publicly available information in reference books and details provided by German civilians who had worked in Ireland during the 1930s.